Metal Etch Primer

Sparcolux Metal Primer is a quick drying, anti-corrosive etch primer for use on mild steel, aluminium, galvanised iron and smooth metal surfaces. This one-pack product can also be used as a primer on hard-to-adhere-to PVC piping and gutters.

This versatile Etch Primer gives excellent adhesion on a wide range of substrates and can be overcoated with a wide range of products including Universal Undercoat, enamels and epoxy tar compounds, but not for typical epoxy enamels.

Sparcolux Metal Primer can be overcoated with Sparcolux Gloss Enamel or Sparcolux Quick dry enamel.

Sparcolux Metal Primer benefits include:

Very fast drying

Surfaces are typically touch dry within 30 minutes (normal conditions) and can be topcoated within 2 hours of priming.

Excellent adhesion

To most metallic substrates and even some plastics

Versatile

Can be used in many industrial applications including burglar bars, security gates, wrought iron applications, steel casings and casts, vehicle chassis and underbodies.

Easy to use

Easy-to-use single pack system

COLOURS

BLACK

GREY

RED

PACK SIZE

  • 1 Litre
  • 5 Litre
  • 20 Litre

PRECAUTIONS

  • When used for exterior applications, Metal Primer should be overcoated within 3 days to prevent oxidation.
  • Metal Primer is not water resistant and must therefore be overcoated for all exterior applications, paying special attention to the edges.
  • Metal Primer should not be used in areas where water ponding is expected.

Colour 

Grey, Red, Black 

Appearance 

Low Sheen Finish 

Viscosity

60” – 70” FC4 at 23°C

SG

0.89- 0.93

Mass Solids

25 – 30%

Volume Solids 

16 – 21%

Shelf Life 

2 years, when stored correctly 

Storage Conditions 

Normal

Pack Size 

1 Litre, 5 Litre 

Method  

Brush, Roller, Spay

Spreading Rate 

8 – 10m² per litre

Number of coats 

1, unless specified otherwise

Drying time

Touch dry – 30 minutes at 25ºC

Overcoating

2 hour at 25ºC

Epoxies, urethane top coats – 48 Hrs

Thinning

Brush, Roller – not recommended

Spraying:  – 15-20% Lacquer Thinners

Cleaning

Xylene or Lacquer Thinners

Product Type

Polyvinyl Butyl-Phenolic Resin with modified Zinc Phosphate

Pack Type 

Single Pack

  • SURFACE PREPARATION

    Ensure all substrates are thoroughly clean, sound, dry and free from any contaminants such as dirt, salt, rust, mill scale, algae and grease. 


    New metal: 

    • Abrade surface lightly and remove any surface rust or mill scale by sanding, wire brushing or sandblasting (sandblasting to SA2½ with a 40-50 profile for best results)
    • Clean away sanding dust, grease and dirt with Metal Cleaner/Degreaser according to instructions 
    • Rinse with water until a water break-free surface is attained and allow to dry

    Aluminium and stainless steel: 

    • Abrade surface with 200-220 grit waterpaper using Xylene or Turpentine as a lubricant. 
    • Rinse with Xylene or lacquer thinners and allow to dry
PRODUCT SHEET